The mechanical advantage in a hi-lift is a simple lever ... If the lever hits you, it can kill you. Inside an hydraulic jack, you use a lever to exert pressure on a small cylinder of ...

Hydraulic jacks use a light oil that you pressurize ... seemingly endless winding required to lift and lower with them. Hi-lift jacks use a fairly simple ratchet mechanism to move the support ...

A better jack is needed. Even off-road race teams resort to either a Hi-Lift or a hydraulic floor jack, as there wasn't much else available. Until now. Radflo Suspension Technology, makers of ...

plus this hydraulic floor jack has a cool blue paint job. Here's something a little different. This Hi-Lift mechanical jack (also referred to as a bumper jack) can be used for many things beyond ...

The JEGS Hydraulic High-Lift Transmission Jack from Walmart could be a solid option for taller mechanics and DIYers. With a 1,000-pound weight capacity, the jack is able to support most passenger ...

The 60-inch Hi-Lift Jack, model HL-604 ... to the other 48-inch farm jacks we've reviewed here. Off-road hydraulic floor jacks, while not as versatile or lightweight as farm-style jacks, do ...

Hydraulic jacks use a light oil that you pressurize ... Photo credit: Shutterstock / Michal K. Hi-lift jacks use a fairly simple ratchet mechanism to move the support up a post, rather than ...

The second thing you're most likely to see when driving off-road is a Hi-Lift Jack. The wildly popular jack-of-all-trades jack has a family tree that includes the original Automatic Combination Tool.